I purchased a QM 67 from ChrisCoffee and while its still early all I can say is WOW, what a piece of work. I clicked buy went to sleep and UPS was at my door with my new machine. That was fast!!! It was a buyers remorse, but Im glad who ever returned it did, because their loss turned into my gain. It arrived in great shape. I opened it up and all looked good except it was missing one screw as the transformer was not mounted to the frame. I Emailed Chris and he said he will send me a new one. I have only pulled a handful of shots and am still dialing it in, but so far so good. It really delivers what it promises. Consistent Temps and extremely fast recovery. I thought the 2 hole steam tip was fine. You have to work fast because it throws a lot of steam, but I made a nice bucket of microfoam after about a half hour of practicing. And this machine really has a fast recovery. Its early, but so far I am extremely happy with everything. A yay vote for the QM 67. I would like to mention Chris N. is extremely responsive as he has answered more than a half dozen emails from me in 2 days. As expected top notch customer service from CHRIS COFFEE SERVICE.

The R58 I tested was a pre-production machine, but I don't think much has changed. From memory the OPV vents out into the front drip tray. I am wondering if the higher flow/pressure through the OPV when pulling a shot thru the blind filter is just enough to stop the noise. You might have got the noise for a moment just at the beginning of the blind filter because with a rotary pump the E61 groups "preinfusion chamber takes a few moments to fill, and during that time the pressure is slightly lower. Clean the drip tray and check the tube within it to see if any water is coming out during a blind filter shot.

If there is nothing....The only other thing I can think of, is the 2 solenoid valves the R58 uses to switch from tanked to mains operation. I did recommend there should be a sealing cap on the water mains inlet(for a few reasons).....if there is no water from the OPV, I am wondering if when under a flow condition e.g. when pulling a shot, if the inlet solenoid for mains operation is letting some air into the system. You could try switching from tanked to mains and back again (quickly), just to operate the solenoids.

NB: All this assumed that water is not dripping out of the E61 exhaust vent during the shot/blind filter shot and that the sound is coming from inside near the rear and lower part of the machine.

could it be the pump motor although highly unlikely,I had a problem with my new duetto where I would hear a loud whistling noise that I thought was coming from the opv, after ajusting it at 12 bar(wich was way loose) I could hear it was the berrings in the motor wich under stress got louder.

I have contacted the supplier and I will take the machine back so the Technitian can have a look. If they tell me they have to send it back, I will return it and go with the Duetto.I just think this is rediculous on a brand new machine. I was with the Impression thaat they test every machine.Sorry for my rant but this really bothers me.

I have contacted the supplier and I will take the machine back so the Technitian can have a look. If they tell me they have to send it back, I will return it and go with the Duetto.I just think this is rediculous on a brand new machine. I was with the Impression thaat they test every machine.Sorry for my rant but this really bothers me.

Most do, I know my Expobar was tested prior to shipping (a little water in the packaging though). However, some of these suppliers do not keep these machines in stock and instead ship directly from the manufacturer. It is less likely then that machines in this category then will be tested prior to shipping.

When you order, do so over the phone and make sure you ask about this. It will save you trouble in the event something is shipped broken or missing.

So far the most I have produced at one time, was 2 lattes at once. The machine recovers extremely FAST. The Boiler is small, but the heating element allows a very fast recovery. Its taking me less than a minute to steam the milk. The PID for the steaming Boiler is set at 263, and drops to 261 by the time I am finished with the milk. After I put the first drink together all the temps are back to there settings, and I start my second drink. So I would say yes the boilers are on the small side, but the recovery is remarkably fast. So far I have zero remorse. It should be noted this is my first machine and I have limited experience. The one thing I can say is the shots I have pulled from this machine have been INCREDIBLY TASTY. I am getting about 1.5 ounces at 25 secs. on my doubles, before I am blonding. Very consistent shots with my Vario grinding.

have contacted the supplier and I will take the machine back so the Technitian can have a look. If they tell me they have to send it back, I will return it and go with the Duetto.I just think this is rediculous on a brand new machine. I was with the Impression thaat they test every machine.Sorry for my rant but this really bothers me.

So far the most I have produced at one time, was 2 lattes at once. The machine recovers extremely FAST. The Boiler is small, but the heating element allows a very fast recovery. Its taking me less than a minute to steam the milk. The PID for the steaming Boiler is set at 263, and drops to 261 by the time I am finished with the milk. After I put the first drink together all the temps are back to there settings, and I start my second drink. So I would say yes the boilers are on the small side, but the recovery is remarkably fast. So far I have zero remorse. It should be noted this is my first machine and I have limited experience. The one thing I can say is the shots I have pulled from this machine have been INCREDIBLY TASTY. I am getting about 1.5 ounces at 25 secs. on my doubles, before I am blonding. Very consistent shots with my Vario grinding.

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